ROM: ROM表示只读存储器(Read Only Memory),表示只可以读取数据,一般不能写入,,在制造ROM的时候,信息(程序或数据)就被存入并永久保存,即使断电,信息也不会丢失ROM一般用于存放计算机的基本程序和数据,如BIOS ROM RAM: 随机存储器(Random Access Memory)表示既可以从中读取数据,也可以写入数据。当机器电源关闭时,存...
memory Arthas会输出类似于提供的参考内容中的内存使用报表,展示各内存区域的已用大小(used)、总大小(total)、最大大小(max)以及使用率(usage)。 分析内存泄漏迹象 观察多次执行memory命令后的结果,特别是注意是否有某个或某些内存区域的使用量持续增加而没有减少。这可能是内存泄漏的迹象。重点关注heap区域,因为大多...
2.1.11 memory(查看 JVM 内存信息) 举例1:查看 JVM 内存信息 二、命令列表 2.1 jvm相关命令 2.1.11 memory(查看 JVM 内存信息) 基本用法: memory 举例1:查看 JVM 内存信息 [arthas@11200]$ memory Memory used total max usage heap 51M 314M 3433M 1.51% ps_eden_space 16M 158M 1260M 1.30% ps_surv...
0 false true Memory used total max usage GC heap 216M 415M 3614M 5.99% gc.ps_scavenge.count 96 ps_eden_space 36M 78M 1276M 2.90% gc.ps_scavenge.time(ms) 3054 ps_survivor_space 17M 38M 38M 46.53% gc.ps_marksweep.count 4 ps_old_gen 161M 298M 2711M 5.97% gc.ps_marksweep....
Memory used total max usage GC heap 32M 155M 1820M 1.77% gc.ps_scavenge.count 4 ps_eden_space 14M 65M 672M 2.21% gc.ps_scavenge.time(m 166 ps_survivor_space 4M 5M 5M s) ps_old_gen 12M 85M 1365M 0.91% gc.ps_marksweep.count 0 ...
Memory used totalmaxusage heap32M60M875M3.69%ps_eden_space25M31M323M7.81%ps_survivor_space0K2560K2560K0.00%ps_old_gen7M27M656M1.07%nonheap32M34M-196.58%code_cache5M5M240M2.30%metaspace24M25M-196.26%compressed_class_space2M3M1024M0.29%direct8K8K -100.01%mapped0K0K -0.00% ...
jfr dump-r1-f/tmp/myRecording1.jfr # 停止 jfr 记录 jfr stop-r1 memory 查看JVM 内存信息。 输出如下: 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 Memory used total max usage heap 32M 256M 4096M0.79%g1_eden_space 11M 68M...
0:0falsetrue2 Reference Handler system 10 WAITING 0 0:0falsetrue4 Signal Dispatcher system 9 RUNNABLE 0 0:0falsetrue69 System Clock main 5 TIMED_WAI 0 0:34falsetrue25 Thread-2 main 5 TIMED_WAI 0 0:0falsefalse37 Timer-0 main 5 TIMED_WAI 0 0:0falsetrueMemory used total max usage ...
Memory used total max usage GC heap 216M 415M 3614M 5.99% gc.ps_scavenge.count 96 ps_eden_space 36M 78M 1276M 2.90% gc.ps_scavenge.time(ms) 3054 ps_survivor_space 17M 38M 38M 46.53% gc.ps_marksweep.count 4 ps_old_gen 161M 298M 2711M 5.97% gc.ps_marksweep.time(ms) 804 ...
Memory used total max usage GC heap 83M 432M 7282M 1.14% gc.ps_scavenge.count 4 ps_eden_space 72M 212M 2688M 2.69% gc.ps_scavenge.time(ms) 24 ps_survivor_space 0K 21504K 21504K 0.00% gc.ps_marksweep.count 2 ps_old_gen 10M 199M 5461M 0.20% gc.ps_marksweep.time(ms) 61 ...